Category "pass-by-reference"

How can you extend Java to introduce passing by reference?

Java is pass-by-value. How could you modify the language to introduce passing by reference (or some equivalent behavior)? Take for example something like publ

Passing a parameter versus returning it from function

As it might be clear from the title which approach should we prefer? Intention is to pass a few method parameters and get something as output. We can pass ano

How to do the equivalent of pass by reference for primitives in Java

This Java code: public class XYZ { public static void main(){ int toyNumber = 5; XYZ temp = new XYZ(); temp.play(toyNumbe